precaution, safeguard, guard - a precautionary measure warding off impending danger or damage or injury etc.; "he put an ice pack on the injury as a precaution"; "an insurance policy is a good safeguard"; "we let our guard down" --7is a kind ofmeasure, step --7has particulars: security, security measures
defend, guard, hold - protect against a challenge or attack; "Hold that position behind the trees!"; "Hold the bridge against the enemy's attacks" --3is one way toprotect Sample sentence: Somebody ----s something